Star Tracks: Monday, Jan. 16, 2017

Keira Knightley is in good spirits while filming scenes for The Aftermath in Prague, Czech Republic.

Spotted in N.Y.C.: A post-workout Gigi Hadid looking stylish as ever.

Tyrese Gibson speaks at The Martin Luther King Jr. Annual Commemorative Service on Monday at Atlanta, Georgia's Ebenezer Baptist Church, where the late civil rights leader once served as co-pastor.

Kendall Jenner is a metallic maven while stepping out in N.Y.C.

Naomi Campbell and a bare-faced Kim Kardashian West head to N.Y.C.'s Milo Restaurant for a lunch date.

On Monday, Malin Akerman wears her mood on a T-shirt while out in Glendale, California.

Live By Night actors Chris Messina and Ben Affleck celebrate their work at the Paris premiere on Monday.

Twinning! Vanessa Hudgens and Ashley Tisdale get animated at a basketball game between the Detroit Pistons and the Los Angeles Lakers on Sunday in L.A.

Paris Hilton and Sofia Richie make Moschino proud by donning standout ensembles at the label's show during Milan Men's Fashion Week on Saturday.

Miranda Kerr dons an electric blue dress while filming a commercial on Friday in L.A.

Olga Kurylenko attends a performance of Romeo & Juliet on Saturday at London's Royal Festival Hall.

Kendall Jenner channels her inner kid while toting an oversized plush bear in Brooklyn, New York on Sunday.

Shailene Woodley rocks a crimson lip and matching coat at ELLE's Annual Women in Television Celebration on Saturday in L.A.

Fierce! Jenn Lyon, Karrueche Tran, Niecy Nash, Carrie Preston and Judy Reyes come out to promote their TV movie, Claws, at the TCA Winter Press Tour on Saturday.

Former Glee star Matthew Morrison belts it out during a performance at The Broad Stage on Saturday in Santa Monica, California.

A radiant Mariah Carey greets photographers while out with rumored beau Bryan Tanaka (not pictured) Saturday in London.

Mandy Moore and Constance Zimmer link up at ELLE's Annual Women in Television Celebration on Saturday.

On Sunday, Leslie Mann laughs it out at the Palm Springs International Film Festival screening of her aptly-named movie The Comedian.

Kim Kardashian West gets up close and personal with an exotic bird during her visit to Dubai on Saturday.

Katie Holmes and daughter Suri, who bears a striking resemblance to her famous mom, take in a basketball game between the Detroit Pistons and the Los Angeles Lakers on Sunday in L.A.

On Saturday, Brad Pitt takes the stage at the Alex & Ani-hosted ROCK4EB! with Sting and Chris Cornell at EBMRF Benefit in Malibu, California.

Also at the ROCK4EB! event: a casually dressed Kaley Cuoco, posing with Garrett Hedlund.

Jaden Smith hits the waves in Kauai, Hawaii on Saturday.

Jessica Biel is all smiles while attending the season premiere of Amazon Original Series Just Add Magic on Saturday in West Hollywood.

Gabrielle Union cheers on husband Dwyane Wade as he plays with the Bulls in Chicago, Illinois.

Chloë Grace Moretz sports comfy attire as she makes her way around Beverly Hills on Saturday.

On Saturday, Ben Stiller hones his tennis game while on vacation in Kauai, Hawaii.

Sisters Bella and Gigi Hadid head to their New York City gym together.

Alessandra Ambrosio enjoys the beaches of Canasvieiras, Brazil in a shell-adorned bikini on Sunday.

Viola Davis attends "BAFTA: A Life in Pictures - Viola Davis," showcasing the actress's life and career in London, England, on Sunday.

Nicole Kidman, Zoe Kravitz, Reese Witherspoon and Shailene Woodley share a moment at HBO's 2017 Winter Television Critics Association Press Tour event at the Langham Hotel Pasadena, California, on Saturday.

Katy Perry attends an art show put on by pop artist Sham Ibrahim in Palm Springs, California, on Saturday.

David Spade, Kevin Nealon, Cindy Crawford and Rande Gerbe catch up at the Alex and Ani-hosted ROCK4EB! with Sting and Chris Cornell at EBMRF Benefit in Malibu, California, on Saturday.

Hank Azaria and Amanda Peet promote their new show during the IFC premiere of Brockmire in Pasadena, California, on Saturday.

Robert De Niro shares his thoughts on a panel for HBO's The Wizard of Lies in Los Angeles on Saturday.

Nick Jonas attends the Emporio Armani show during Milan Men's Fashion Week in Milan, Italy, on Saturday.

Melissa McCarthy and Ben Falcone enjoy a night out for the Viacom Winter TCA Panels and Party in Pasadena, California, on Friday.

Claire Danes chatted and laughed on The Tonight Show Starring Jimmy Fallon in New York City on Friday night.

Bella Hadid was spotted out and about in New York City on Friday night.

Katie Holmes has a laugh while chatting about her show, The Kennedys, at the 2017 Winter Television Critics Association Press Tour in Pasadena, California, on Friday.

Also at the TCAs, John Legend takes the stage to promote his series, Underground.

Alicia Keys smiles as she touches down at LAX on Friday.

Neil Patrick Harris gets animated on Friday while talking about his new Netflix series, A Series of Unfortunate Events, at the AOL Studios in New York City.

Karlie Kloss keeps warm while out and about in New York City on Friday.

He's back! With new music coming soon, Ed Sheeran takes a moment to relax on Friday in N.Y.C.

Tom Hardy talks up his show Taboo at the 2017 Winter Television Critics Association Press Tour in Pasadena, California, on Thursday.

Fargo cast members Ewan McGregor, Carrie Coon and Mary Elizabeth Winstead chat about their hit series at the TCAs in Pasadena on Thursday.

Sitting courtside at the Chicago Bulls vs. New York Kicks game at Madison Square Garden on Thursday, Gabrielle Union and La La Anthony — wives of players Dwyane Wade and Carmelo Anthony — squeeze in some quality friend time.

Matthew McConaughey is clearly feeling all right, all right, all right as he introduces a special screening of his film, Gold, in Austin, Texas, on Thursday.

Ben Affleck, Sienna Miller, Emma Stone and Ryan Gosling are all smiles as they joke around on an episode of The Graham Norton Show in London on Thursday.

Looking striking in a form-fitting white frock, Uzo Aduba attends an Orange Is the New Black screening and Q&A in N.Y.C. on Thursday.

Loving star Ruth Negga flashes a smile as she makes her way through LAX Airport on Thursday.

January Jones makes her funky jumpsuit the center of attention as she arrives at the TOME Dinner celebrating the White Shirt Project and Freedom for All Foundation on Thursday in L.A.

Rihanna leaves her N.Y.C. apartment on Thursday to head to the set of Ocean's Eight.

Trainer Katrina Scott, Lea Michele and Tone It Up's Karena Dawn get physical at Kohl's Motivation Market in L.A. on Thursday.

Renée Zellweger sports a hat and casual athletic wear on a rainy Thursday in Beverly Hills.

Winter be damned! Nick and Joe Jonas grab some iced coffee in Sherman Oaks, California, on Thursday.

An excited Milla Jovovich greets fans as she arrives at a press conference for Resident Evil: The Final Chapter on Friday in Seoul, South Korea.

Supermodels Paulina Porizkova and Coco Rocha cozy up as they attend a screening on Thursday in N.Y.C.

Busy Philipps shows off her musical chops on Thursday while channeling Courtney Love for a performance in an upcoming Comedy Central TV show in L.A.

Model Charlotte McKinney keeps it monochromatic as she runs out for coffee on Thursday in L.A.

Model Charlotte McKinney keeps it monochromatic as she runs out for coffee on Thursday in L.A.

Colin Farrell struts his stuff in L.A. on Thursday while out on a coffee run.

Lindsey Vonn twins with her dog, Lucy, at a press conference for the FIS Alpine Skiing World Cup Thursday in Zauchensee, Austria.

Sarah Michelle Gellar rings the Nasdaq closing bell with her Foodstirs cofounders, Galit Laibow and Greg Fleishman, at the Nasdaq Entepreneurial Center on Wednesday in San Francisco, California

Scott Eastwood takes a break from filming Pacific Rim: Maelstrom in Sydney, Australia to go surfing.

Lucy Hale starts her Thursday morning off right: with two cups of java.

Ed Sheeran performs on Thursday's Elvis Duran Z100 Morning Show in N.Y.C.

Catherine Zeta-Jones and Kiernan Shipka attend the TCA Winter Press Tour for Feud on Thursday.